﻿<html lang="en">
<head>
    <meta charset="utf-8">
    <title>学会学导航示例</title>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
            color: black;
            text-decoration: none;
        }

        .header {
            width: 100%;
            height: 50px;
            background: #FFFFFF;
            box-shadow: 0 2px 7px rgba(31, 39, 48, 0.51);
        }

        .logo {
            float: left;
            width: 91px;
            height: 40px;
            padding: 10px 0 0 20px;
        }

        .right {
            float: right;
            height: 100%;
        }

        .mid {
            width: 488px;
            height: 50px;
            margin: 0 auto;
        }

        ul {
            width: auto;
            height: 100%;
            display: block;
            list-style: none;
        }

        ul li {
            float: left;
            width: auto;
            height: 50px;
            display: block;
            padding: 0 15px;
        }

        ul li a {
            padding: 0 5px;
            line-height: 50px;
            display: inline-block;
        }

        ul li a:hover {
            border-bottom: 4px solid #1daeff;
        }

        ul li a img {
            width: 30px;
            height: 30px;
            margin-top: 8px;
            border-radius: 20px;
            border: 1px solid #A7AEB5;
        }
    </style>
</head>
<body>
<div class="header">
    <div class="logo">
        <img alt="logo" src="img/study_logo.png"/>
    </div>
    <div class="right">
        <ul>
            <li><a href="#">微信</a></li>
            <li><a href="#">帮助</a></li>
            <li><a href="#"><img alt="avatar" src="img/study_avatar.jpg"></a></li>
        </ul>
    </div>
    <div class="mid">
        <ul>
            <li><a href="#">首页</a></li>
            <li><a href="#">课堂教学</a></li>
            <li><a href="#">教学备课</a></li>
            <li><a href="#">教学资源</a></li>
            <li><a href="#">作业信息</a></li>
        </ul>
    </div>
</div>
</body>
</html>
